code: def test_standard_validity():
      """Check the operation using the assert_valid function."""
      features = [1.0, 2.0]
      layer1 = [0.1, -0.3, 1.5]
      layer2 = [3.1, 0.2, -2.8]
      weights = [layer1, layer2]
  
      op = qml.QAOAEmbedding(
          features=features, wires=(0, 1), weights=weights
      )
      qml.ops.functions.assert_valid(op)
  
imports: import pytest
  import numpy
  import pennylane
  from pennylane import numpy
label_desc: Use image node_id 1 for calling a global function with example usage: test_standard_validity() without return types